Seminars in Immunopathology

, Volume 40, Issue 1, pp 3–14 | Cite as

How novel structures inform understanding of complement function

  • Elena Goicoechea de Jorge
  • Hugo Yebenes
  • Marina Serna
  • Agustín Tortajada
  • Oscar Llorca
  • Santiago Rodríguez de Córdoba
Review
First Online:
Received:
Accepted:

Abstract

During the last decade, the complement field has experienced outstanding advancements in the mechanistic understanding of how complement activators are recognized, what C3 activation means, how protein complexes like the C3 convertases and the membrane attack complex are assembled, and how positive and negative complement regulators perform their function. All of this has been made possible mostly because of the contributions of structural biology to the study of the complement components. The wealth of novel structural data has frequently provided support to previously held knowledge, but often has added alternative and unexpected insights into complement function. Here, we will review some of these findings focusing in the alternative and terminal complement pathways.

Keywords

Complement Structural biology C3\C5 convertase Complement regulators Factor H Membrane attack complex 
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Notes

Acknowledgements

SRdeC is supported by the Spanish “Ministerio de Economía y Competitividad-FEDER” (SAF2015-66287R), the Seventh Framework Programme European Union Project EURenOmics (305608), and the Autonomous Region of Madrid (S2010/BMD-2316). SRdeC is member of the “CIB intramural Program “Molecular Machines for Better Life (MACBET).” EGdeJ is supported by the Spanish “Ministerio de Economía y Competitividad-FEDER” (RYC-2013-13395 and SAF2014-52339P). OL is supported by the Spanish Ministry of Economy, Industry and Competitiveness (SAF2014-52301-R). AT and MS are supported by the Spanish “Ministerio de Economía y Competitividad-FEDER” (IJCI-2015-25222 and IJCI-2015-24388, respectively).

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Copyright information

© Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  1. 1.Department of Microbiology I (Immunology)Complutense University School of Medicine and 12 de Octubre Health Research Institute (imas12)MadridSpain
  2. 2.Centro de Investigaciones BiológicasConsejo Superior de Investigaciones CientíficasMadridSpain
  3. 3.Structural Biology Programme, CNIOMadridSpain
  4. 4.Ciber de Enfermedades RarasMadridSpain

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